	html,
	body {
	  height: 100%;
	  margin: 0;
	  padding: 0;
	}

	#field {
	  position: absolute;
	  top: 0;
	  left: 0;
	  overflow: hidden;
	  width: 100%;
	  height: 370px;
	}

	.img_bg {
	  position: absolute;
	  top: -11px;
	  left: -20px;
	  width: 120%;
	  height: 425px;
	}

	.img_text {
	  position: absolute;
	  z-index: 8;
	}

	.img_cat {
	  position: absolute;
	  z-index: 7;
	}

	.img_speeder {
	  position: absolute;
	  z-index: 6;
	}

	.img_cat_shadow {
	  position: absolute;
	  z-index: 5;
	}

	.img_speeder_shadow {
	  position: absolute;
	  z-index: 4;
	}

	.img_building_1 {
	  position: absolute;
	  z-index: 3;
	}

	.img_building_2 {
	  position: absolute;
	  z-index: 2;
	}